A metalloligand approach for the self-assembly of a magnetic two-dimensional grid-of-grids
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2019
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The efficient organization of discrete functional molecules into extended frameworks, while retaining their physical properties, is a mandatory requisite to move toward applications. Here we describe the validity of the metalloligand design strategy as a versatile and powerful approach to build up a two-dimensional (2D) magnetic metal–organic framework (MOF) composed of preformed discrete antiferromagnetically coupled [3 × 3] Cu9II incomplete grids. In the first stage, a novel oxamato-based nonanuclear copper(II) complex has been self-assembled from the reaction of a polytopic organic ligand, with well-defined coordination pockets, with CuII ions. Then, the nonanuclear complex has been used as metalloligand toward calcium(II) cations to afford a CaII–CuII 2D MOF (1) with a grid-like topology and the magnetic properties of the preformed nonanuclear grids.
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KALINKE, Lucas H. G. et al. A metalloligand approach for the self-assembly of a magnetic two-dimensional grid-of-grids. Crystal Growth & Design, Washington, v. 19, n. 7, p. 3905-3912, 2019. DOI: 10.1021/acs.cgd.9b00324. Disponível em: https://pubs.acs.org/doi/10.1021/acs.cgd.9b00324. Acesso em: 29 set. 2023.